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This interdisciplinary proceedings book addresses highly relevant topics in urbanization and its environmental impacts and presents case studies revealing the negative environmental consequences of the anthropogenic and technogenic pressures. Urbanization is an important trend in current land-use change, with up to 70% of the world population projected to live in cities by 2050. How will this rapid urbanization alter the face of Europe? What are the environmental consequences of the expansion of megacities? These and other important questions are addressed in the Megacities 2050 Proceedings of the VI International Conference on Landscape Architecture to Support City Sustainable Development. Megapolises are complex ecosystems, and their air and water quality, vegetation and soils are exposed to anthropogenic influences. The book discusses advanced approaches and techniques to monitor, model and assess environmental consequences and risks in megapolises and offers solutions to the environmental problems of modern megapolises. It also presents successful, sustainable urban-development projects from Europe and beyond, including the management and design of green infrastructure, waste management, run-off purification and remediation of urban soils. Focusing on urban soils and ecosystems, the book is intended for experts in various fields of geography, urban studies and planning, and environmental sciences, including those in the scientific and research community, municipal services, environmental protection agencies, stakeholders working in urban management and greenery, landscape architects, civil engineers and policy-makers.
This book provides multidisciplinary approaches to smart and sustainable urban ecosystems. Urbanization is a global tendency, and up to 70% of the world population is projected to live in cities by 2050. How will this rapid urbanization alter the face of the world? What are the environmental consequences of megacities’ expansion? What are smart solutions to make life in cities safe, comfortable, and environmentally friendly? These and other important questions are addressed by the conference Smart and Sustainable Cities (SSC). This year’s theme for the conference will be « Sustainable urban ecosystems: challenges and solutions». Megapolises are complex ecosystems. Air and water quality, vegetation, and soils in megapolises are exposed to anthropogenic influence. Studying negative environmental consequences of the anthropogenic and technogenic pressures is among the key tasks of urban ecology and environmental impact assessment. Advanced approaches and smart technologies to monitor, model, and assess environmental consequences and risks in megapolises will be widely discussed at the conference. Searching for solutions of the environmental problems of modern megapolises will be the key point of the conference. Successful experiences of sustainable urban development and nature-based solutions to support climate adaptation, carbon neutrality, and human health will be presented in the conference proceedings.
As urbanization continues, and even accelerates, scientists estimate that by 2015 the world will have up to 60 ‘megacities’ – urban areas with more than five million inhabitants. With the irresistible economic attractions of urban centers, particularly in developing countries, making the influx of citizens unstoppable, many of humankind’s coming social, economic and political dramas will be played out in megacities. This book shows how geographers and Earth scientists are contributing to a better understanding of megacities. The contributors analyze the impact of socio-economic and political activities on environmental change and vice versa, and identify solutions to the worst problems. They propose ways of improving the management of megacities and achieving a greater degree of sustainability in their development. The goals, of wise use of human and natural resources, risk reduction (both social and environmental) and quality of life enhancement, are agreed upon. But, as this text proves, the means of achieving these ends are varied. Hence, chapters cover an array of topics, from health management in Indian megacities, to planning in New York, to transport solutions for the chronically traffic-choked Bangkok. Authors cover the impact of climate change on megacities, as well as less tangible issues such as socio-political fragmentation in the urban areas of Rio de Janeiro. This exploration of some of the most crucial issues that we face as a species sets out research that is of the utmost importance, with the potential to contribute substantially to global justice and peace – and thereby prosperity.
In a rapidly urbanizing and globalized world, cities have been the epicentres of COVID-19 (coronavirus). The virus has spread to virtually all parts of the world; first, among globally connected cities, then through community transmission and from the city to the countryside. This report shows that the intrinsic value of sustainable urbanization can and should be harnessed for the wellbeing of all. It provides evidence and policy analysis of the value of urbanization from an economic, social and environmental perspective. It also explores the role of innovation and technology, local governments, targeted investments and the effective implementation of the New Urban Agenda in fostering the value of sustainable urbanization.
This book tackles the challenging issues raised by the growth of large megacities from diverse perspectives and approaches. The central question raised by the growth of megacities is what effect their growth will have on the ability of the global population to live in sustainable, livable, and safe societies. In Part I, important issues on the relationships between megacities and sustainability of the global environment are specified. Part II shows what can be learned from the history and diversity of megacities to solve challenging issues of the present. We present practical approaches that can solve the issues of megacities particularly focusing on human activities that seek the more harmonious relationship between life amenities and the natural environment: population density and urban built environment; production and trade; and environmental education and enlightenment. Part III aims to answer the question, what aspects of megacities should be measured and assessed? Barometers are necessary to control human activities in megacities. We consider how to measure and assess performances of megacities, reviewing some cases of indicators that authors have developed. This publication highlights the challenging issues of the relationships between megacities and sustainability of the global environment and related issues that have accrued from them, based on the following three scales: long-term time scale from the past to the present and future; a vast spatial scale that links global space with local spaces; and the scale of various aspects of human socio-economic activities in megacities.
Megacity development and the inherent risks and opportunities for humans and the environment is a theme of growing urgency in the 21st century. Focusing on Latin America where urbanization is most advanced, this book studies the complexity of a ‘mega-urban system’ and explores interrelations between sectors and issues by providing an in-depths study of one particular city, Santiago de Chile. The book attempts to (i) focus on the emergence of risk in megacities by analyzing risk elements, (ii) evaluate the extent and severity of risks, (iii) develop strategies to cope with adverse risks, and (iv) to guide urban development by combining concepts with empirical evidence. Drawing on the work of an interdisciplinary and international consortium of academic and professional partners, the book is written for scholars in cross-cutting areas of urban, sustainability, hazard, governance and planning research as well as practitioners from local, regional and international organizations.
For the first time in human history, more than half the world’s population is urban. A fundamental aspect of this transformation has been the emergence of giant cities, or megacities, that present major new challenges. This book examines how issues of megacity development, urban form, sustainability, and unsustainability are conceived, how governance processes are influenced by these ideas, and how these processes have in turn influenced outcomes on the ground, in some cases in transformative ways. Through 15 in-depth case studies by prominent researchers from around the world, this book examines the major challenges facing megacities today. The studies are organized around a shared set of concerns and questions about issues of sustainability, land development, urban governance, and urban form. Some of the main questions addressed are: What are the most pressing issues of sustainability and urban form in each megacity? How are major issues of sustainability understood and framed by policymakers? Is urban form considered a significant component of sustainability issues in public debates and public policy? Who are the key actors framing urban sustainability challenges and shaping urban change? How is unsustainability, risk, or disaster imagined, and how are those concerns reflected in policy approaches? What has been achieved so far, and what challenges remain? The publication of this book is a step toward answering these and other crucial questions.
These proceedings of the Smart and Sustainable Cities Conference (SSC) in Moscow from May 23 to 26, 2018 addresses important questions regarding the global trend of urbanization. What are the environmental consequences of megacities’ expansion? What smart solutions can make life in cities safe, comfortable and environmentally friendly? It is projected that 70% of the global population will live in cities by 2050, and as such the book describes how this rapid urbanization will alter the face of the world. Focusing on solutions for the environmental problems of modern megapolises, it discusses advanced approaches and smart technologies to monitor, model and assess the environmental consequences and risks. The contributors present examples of successful sustainable urban development, including management and design of green infrastructure, waste management, run-off purification and remediation of urban soils. The SSC conference and its proceedings offer a valuable contribution to sustainable urban development, and are of interest to the scientific and research community, municipal services, environmental protection agencies, landscape architects, civil engineers, policy makers and other stakeholders in urban management and greenery.
This book examines a range of issues related to the mega-city phenomenon. Part one deals with the growth of mega-cities and explores demographic issues, labour force change in the big cities of Asia, the effect of macroeconomic forces on the world city system, and the relations between technology and the city. In part two, the discussion focuses on the economic and social consequences of mega-city growth. Part three looks at the crucial issue of the management of mega-cities, taking up such issues as infrastructure financing, land and shelter needs, transportation, and environmental management. The final chapter examines priority urban management issues in developing countries and derives a research agenda for the 1990s. (Adapté du résumé de l'éditeur).
Think globally, act locally emphasizes the importance of scale in dealing with environmental challenges, but not how to factor it in. This major new book focuses on the spatial dimensions of urban environmental burdens, showing how important it is to take these into account when pursuing environmental justice and good governance - whether in the context of the sanitary risks of slum living, the pollution of uncontrolled industrialization and motorization, or the enormous ecological footprints of affluent urban lifestyles. Written by leading experts in the fields of urban development and environmental planning, the book reviews the urban environmental shifts that have shaped todays challenges, and examines conditions and problems in the urban centres of low-, middle- and high-income countries. Case studies address such economically diverse cities as Accra, New Delhi, Mexico City and Manchester, while thematic chapters explore issues including water, sanitation and transportation. The book concludes by exploring and analysing different scales of governance. The editors argue that we should not rely solely on local governance to address local burdens like poor sanitation, nor depend only on global governance for global challenges such as greenhouse gas emissions, but that scale is crucial in both understanding the problems and devising successful responses. Published with UNU-IAS and IIED.